The following letter from the Palestine Solidarity Campaign (PSC) was signed by a long list of MPs, human-rights lawyers and academics and published in the Guardian of 16 January.

“We are shocked at suggestions by the Foreign and Commonwealth Office minister Ivan Lewis and foreign secretary David Miliband that Britain may consider changing its laws to avoid any future attempts to prosecute suspected war criminals, Israeli or otherwise. The UK must not renege on its international treaty obligations, particularly those under the fourth Geneva convention to seek out and prosecute persons suspected of war crimes wherever and whoever they are, whatever their status, rank or influence, against whom good prima facie evidence has been laid. We reject any attempt to undermine the judiciary's independence and integrity. A judge who finds sufficient evidence of a war crime must have power to order the arrest of a suspect, subject to the usual rights to bail and appeal.

“The power to arrest individuals reasonably suspected of war crimes anywhere in the world should they set foot on UK soil is an efficient and necessary resource in the struggle against war crimes, and must not be interfered with (Report, 6 January). Nor should the government succumb to pressure from any foreign power to alter this crucial aspect of the judicial process. We urge the government to state clearly that it will not alter the law on universal jurisdiction and will continue to allow victims of war crimes to seek justice in British courts.”